ITEM NAME:1pcs RXB6 433Mhz Superheterodyne Wireless Receiver Module for Arduino/ARM/AV Pf.1pcs RXB6 433Mhz Superheterodyne Wireless Receiver Module. (1) receiver sensitivity reach -116dBm;. (3) wireless security alarm;. (6) a wireless data transmission. (1) car remote door switch (RKE);. (5) Power Enable mode power consumption can be done lowest 50nA;.